A dice simulator in python

dice.py

import random, os
'''
run using python3 dice.py in terminal
made by Jaden Arceneaux
'''
dice = []
total = 0

def addDie():
    global total
    print('how many sides does your die have')
    dieSides = int(input())
    dice.append(dieSides)

def roll():
    global total, dice
    for die in dice:
        rolled = random.randint(0, die)
        print('die numeber ' + str(dice.index(die) + 1) + ' rolled: ' + str(rolled))
        total += rolled
    print('total: ' + str(total))
    total = 0
    dice = []

while True:
    for die in dice:
        print(str(die) + ' sided die')
    print('\nadd die\nroll\nquit')
    userIn = input().lower()
    if 'add die' in userIn:
        addDie()
        os.system('clear')
        continue
    elif 'roll' in userIn:
        roll()
        continue
    elif 'quit' in userIn:
        os.system('clear')
        break
    else:
        print('not in system')
        continue

print('bye \n    -Jaden')

# ps I did it ismael